Home / 139,149,310.90-208,652,443.25-73,605,695.92

Finding the Fourth Proportional to 139,149,310.90, 208,652,443.25 and 73,605,695.92

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Solution

The fourth proportional to 139,149,310.90, 208,652,443.25 and 73,605,695.92 is: 110,370,710.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,149,310.90 : 208,652,443.25 = 73,605,695.92 : x
  2. Step 2: Convert to fraction form
    139,149,310.90/208,652,443.25 = 73,605,695.92/x
  3. Step 3: Cross multiply
    139,149,310.90x = 208,652,443.25 × 73,605,695.92
  4. Step 4: Simplify right side
    139,149,310.90x = 15,358,008,291,039,812
  5. Step 5: Solve for x
    x = 15,358,008,291,039,812/139,149,310.90
  6. Step 6: Final answer
    x = 110,370,710.36

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.